Home / 25,563.44-38,295.92-20,888.70

Finding the Fourth Proportional to 25,563.44, 38,295.92 and 20,888.70

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Solution

The fourth proportional to 25,563.44, 38,295.92 and 20,888.70 is: 31,292.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,563.44 : 38,295.92 = 20,888.70 : x
  2. Step 2: Convert to fraction form
    25,563.44/38,295.92 = 20,888.70/x
  3. Step 3: Cross multiply
    25,563.44x = 38,295.92 × 20,888.70
  4. Step 4: Simplify right side
    25,563.44x = 799,951,984.10
  5. Step 5: Solve for x
    x = 799,951,984.10/25,563.44
  6. Step 6: Final answer
    x = 31,292.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.